Yan, Zheng 37505d5768 ceph: take i_mutex before getting Fw cap ... There is deadlock as illustrated bellow. The fix is taking i_mutex before getting Fw cap reference. write truncate MDS --------------------- -------------------- -------------- get Fw cap lock i_mutex lock i_mutex (blocked) request setattr.size -> <- revoke Fw cap Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> Reviewed-by: Alex Elder <elder@inktank.com> Reviewed-by: Sage Weil <sage@inktank.com>		2013-05-01 21:18:53 -07:00
..
addr.c	libceph: combine initializing and setting osd data	2013-05-01 21:18:23 -07:00
caps.c	ceph: take i_mutex before getting Fw cap	2013-05-01 21:18:53 -07:00
ceph_frag.c	ceph: factor out libceph from Ceph file system	2010-10-20 15:37:28 -07:00
debugfs.c	libceph: delay debugfs initialization until we learn global_id	2012-08-20 10:03:15 -07:00
dir.c	ceph: use i_release_count to indicate dir's completeness	2013-05-01 21:17:07 -07:00
export.c	fs: encode_fh: return FILEID_INVALID if invalid fid_type	2013-02-26 02:46:10 -05:00
file.c	ceph: take i_mutex before getting Fw cap	2013-05-01 21:18:53 -07:00
inode.c	ceph: fix symlink inode operations	2013-05-01 21:18:50 -07:00
ioctl.c	libceph: rename ceph_calc_object_layout()	2013-05-01 21:16:17 -07:00
ioctl.h	ceph: fully initialize new layout	2012-05-16 14:28:27 -05:00
Kconfig	fs/ceph: remove depends on CONFIG_EXPERIMENTAL	2013-01-11 11:39:04 -08:00
locks.c	new helper: file_inode(file)	2013-02-22 23:31:31 -05:00
Makefile	ceph: Makefile: Remove unnessary code	2011-01-12 15:15:13 -08:00
mds_client.c	libceph: add, don't set data for a message	2013-05-01 21:18:34 -07:00
mds_client.h	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client	2013-02-28 17:43:09 -08:00
mdsmap.c	ceph: Use pseudo-random numbers to choose mds	2013-05-01 21:18:49 -07:00
snap.c	ceph: define snap counts as u32 everywhere	2012-07-30 18:15:47 -07:00
strings.c	libceph: update ceph_mds_state_name() and ceph_mds_op_name()	2013-02-18 12:20:34 -06:00
super.c	ceph: set up page array mempool with correct size	2013-05-01 21:17:50 -07:00
super.h	ceph: use i_release_count to indicate dir's completeness	2013-05-01 21:17:07 -07:00
xattr.c	ceph: eliminate sparse warnings in fs code	2013-02-25 15:37:14 -06:00